1. Department of Surgery; Leiden University Medical Centre; Leiden The Netherlands
2. Dutch Institute for Clinical Auditing; Leiden The Netherlands
3. Department of Surgery; Netherlands Cancer Institute/Antoni van Leeuwenhoek; Amsterdam The Netherlands
4. Department of Medical Oncology; Erasmus MC Cancer Institute, University Medical Centre; Rotterdam The Netherlands
5. Department of Radiology; Maastricht University Medical Centre; Maastricht The Netherlands
6. Department of Radiation Oncology; University of Groningen, University Medical Centre Groningen; Groningen The Netherlands
7. Department of Plastic and Reconstructive Surgery; Erasmus MC Cancer Institute, University Medical Centre; Rotterdam The Netherlands
8. Department of Research; Comprehensive Cancer Organisation the Netherlands (IKNL); Utrecht The Netherlands
9. Department of Medical Oncology; Netherlands Cancer Institute/Antoni van Leeuwenhoek; Amsterdam The Netherlands
10. Department of Pathology; Laboratory for pathology Dordrecht e.o.; Dordrecht The Netherlands
11. Department of Surgery; Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital; Amsterdam The Netherlands
12. Department of Research; Netherlands Comprehensive Cancer Organisation (IKNL); Utrecht The Netherlands
13. Department of Health Technology and Services Research; MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente; Enschede The Netherlands
14. Department of Medical Oncology; Maastricht University Medical Centre, GROW-School for Oncology and Developmental Biology; Maastricht The Netherlands
15. Department of Surgery; Diakonessenhuis Utrecht; Utrecht The Netherlands